Angel First Tried Cocaine a Few Months Ago

Angel first tried cocaine a few months ago. Since then, Angel has used it increasingly. Angel has experienced many problems due to his cocaine use. Angel began seeing a therapist to help with his problem. Angel told his therapist that he constantly thinks about using cocaine and has a hard time focusing on anything else. The times he has not used it during the past few months, he has felt physically sick and irritable. Angel also told his therapist that he feels out of control and unable to stop using cocaine. Angel is MOST likely to be experiencing:

A) addiction.
B) tolerance.
C) withdrawal.
D) dependence.